- print
- print '#include <stdlib.h>'
- print '#include <string.h>'
- print '#include <GL/glew.h>'
- print '#include <GL/glut.h>'
- print
- print '#include "trace_parser.hpp"'
- print
-
- functions = filter(is_function_supported, libgl.functions)
-
- for function in libgl.functions:
- retrace_function(function)
-
- print 'static bool retrace_call(Trace::Call &call) {'
- for function in libgl.functions:
- print ' if (call.name == "%s") {' % function.name
- print ' retrace_%s(call);' % function.name
- print ' return true;'
- print ' }'
- print ' std::cerr << "warning: unsupported call " << call.name << "\\n";'
- print ' return false;'
- print '}'
- print '''
-
-class Retracer : public Trace::Parser
-{
- void handle_call(Trace::Call &call) {
- std::cout << call;
- std::cout.flush();
- retrace_call(call);
+ print r'''
+#include <string.h>
+#include <stdio.h>
+#include <iostream>
+
+#include "glproc.hpp"
+#include <GL/glut.h>
+
+static bool double_buffer = false;
+static bool insideGlBeginEnd = false;
+
+static int __window_width = 256, __window_height = 256;
+bool __reshape_window = false;
+
+unsigned __frame = 0;
+long long __startTime = 0;
+bool __wait = false;
+
+const char *__compare_prefix = NULL;
+const char *__snapshot_prefix = NULL;
+
+
+static void
+checkGlError(void) {
+ if (insideGlBeginEnd) {
+ return;
+ }
+
+ GLenum error = glGetError();
+ if (error == GL_NO_ERROR) {
+ return;
+ }
+
+ std::cerr << "warning: glGetError() = ";
+ switch (error) {
+ case GL_INVALID_ENUM:
+ std::cerr << "GL_INVALID_ENUM";
+ break;
+ case GL_INVALID_VALUE:
+ std::cerr << "GL_INVALID_VALUE";
+ break;
+ case GL_INVALID_OPERATION:
+ std::cerr << "GL_INVALID_OPERATION";
+ break;
+ case GL_STACK_OVERFLOW:
+ std::cerr << "GL_STACK_OVERFLOW";
+ break;
+ case GL_STACK_UNDERFLOW:
+ std::cerr << "GL_STACK_UNDERFLOW";
+ break;
+ case GL_OUT_OF_MEMORY:
+ std::cerr << "GL_OUT_OF_MEMORY";
+ break;
+ case GL_INVALID_FRAMEBUFFER_OPERATION:
+ std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
+ break;
+ case GL_TABLE_TOO_LARGE:
+ std::cerr << "GL_TABLE_TOO_LARGE";
+ break;
+ default:
+ std::cerr << error;
+ break;
+ }
+ std::cerr << "\n";
+}
+'''
+ api = glapi.glapi
+ retracer = GlRetracer()
+ retracer.retrace_api(glapi.glapi)
+ print r'''
+
+static Trace::Parser parser;
+
+static void display_noop(void) {
+}
+
+#include "image.hpp"
+
+static void frame_complete(void) {
+ ++__frame;
+
+ if (!__reshape_window && (__snapshot_prefix || __compare_prefix)) {
+ Image::Image *ref = NULL;
+ if (__compare_prefix) {
+ char filename[PATH_MAX];
+ snprintf(filename, sizeof filename, "%s%04u.png", __compare_prefix, __frame);
+ ref = Image::readPNG(filename);
+ if (!ref) {
+ return;
+ }
+ if (verbosity)
+ std::cout << "Read " << filename << "\n";
+ }
+
+ Image::Image src(__window_width, __window_height, true);
+ glReadPixels(0, 0, __window_width, __window_height, GL_RGBA, GL_UNSIGNED_BYTE, src.pixels);
+
+ if (__snapshot_prefix) {
+ char filename[PATH_MAX];
+ snprintf(filename, sizeof filename, "%s%04u.png", __snapshot_prefix, __frame);
+ if (src.writePNG(filename) && verbosity) {
+ std::cout << "Wrote " << filename << "\n";
+ }
+ }
+
+ if (ref) {
+ std::cout << "Frame " << __frame << " average precision of " << src.compare(*ref) << " bits\n";
+ delete ref;
+ }
+ }
+
+}
+
+static void display(void) {
+ Trace::Call *call;
+
+ while ((call = parser.parse_call())) {
+ const std::string &name = call->name();
+
+ if ((name[0] == 'w' && name[1] == 'g' && name[2] == 'l') ||
+ (name[0] == 'g' && name[1] == 'l' && name[2] == 'X')) {
+ // XXX: We ignore the majority of the OS-specific calls for now
+ if (name == "glXSwapBuffers" ||
+ name == "wglSwapBuffers") {
+ if (double_buffer)
+ glutSwapBuffers();
+ else
+ glFlush();
+ frame_complete();
+ return;
+ } else {
+ continue;
+ }
+ }
+
+ if (name == "glFlush") {
+ glFlush();
+ if (!double_buffer) {
+ frame_complete();
+ }
+ }
+
+ retrace_call(*call);
+ }
+
+ // Reached the end of trace
+ glFlush();
+
+ long long endTime = OS::GetTime();
+ float timeInterval = (endTime - __startTime) * 1.0E-6;
+
+ std::cout <<
+ "Rendered " << __frame << " frames"
+ " in " << timeInterval << " secs,"
+ " average of " << (__frame/timeInterval) << " fps\n";
+
+ if (__wait) {
+ glutDisplayFunc(&display_noop);
+ glutIdleFunc(NULL);
+ } else {
+ exit(0);
+ }
+}
+
+static void idle(void) {
+ if (__reshape_window) {
+ // XXX: doesn't quite work
+ glutReshapeWindow(__window_width, __window_height);
+ __reshape_window = false;